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时间:2011-10-30 09:55来源:蓝天飞行翻译 作者:航空
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 S 094-029
 ú ú ú ú WARNING: OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN_______AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSEINJURIES TO PERSONS AND DAMAGE TO EQUIPMENT. (7) Remove the door locks from the landing gear and close the doors (AMM 32-00-15/201).

 

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A

757 MAINTENANCE MANUAL
 NOSE GEAR TRUNNION PIN - INSPECTION/CHECK
_________________________________________
 1.  General_______
 A.  This procedure only has an illustration, and a wear limit table which shows the data for the wear limits. There are no procedures for access, removal, or installation of the parts. Refer to the Nose Gear Trunnion Pin - Removal/Installation for the procedures to do these tasks.
 TASK 32-21-12-206-001
 2.  Wear Limits for the Trunnion Pin of the Nose Landing Gear (Fig. 601)_________________________________________________________
 A.  Wear Limits for the Trunnion Pin
 S 226-002
 (1)  Refer to Fig. 601 for the inspection points and the wear limits table.
 

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A

757 MAINTENANCE MANUAL
A
A

1. BUSHING/ 1. BUSHING/
A
PIN PIN
TRUNNION A PIN
WHEEL WELL WALLSHOCK STRUT
INBD
EXAMPLE - 2 LOCATIONS
A-A

DESIGN LIMITS
WEAR LIMITS PER-
MAXDIAMETER
MITTED  DIAM  REPLACE  REPAIR 
INDEX  WEAR  CLEAR- WORN  WORN  REPAIR 
NO.  DIM.PART NAME  MIN  MAX  DIM.  ANCE  PART  PART  INSTR 
BUSHING  ID  2.5000  2.5015  2.5057  X 
1  0.0067 
PIN  OD  2.4980  2.4990  2.4948  X  1 

1
THE PART IS REPAIRABLE; REFER TO THE COMPONENT MAINTENANCE MANUAL FOR THE REPAIR INSTRUCTIONS.
Nose Landing Gear Trunnion Pin Wear Limits
Figure 601

 

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A

757 MAINTENANCE MANUAL
 NOSE GEAR TOW FITTING - REMOVAL/INSTALLATION
____________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task removes the tow fitting for the nose landing gear. The second task installs the tow fitting for the nose landing gear.
 TASK 32-21-13-004-002
 2.  Remove the Tow Fitting on the Nose Landing Gear (Fig. 401)_______________________________________________
 A.  References
 (1)  
AMM 32-00-20/201, Landing Gear Downlocks

 B.  
Access

 (1)  
Location Zones
 211/212 Control Cabin
 711 Nose Landing Gear (NLG)
 713/714 Forward NLG
 715/716 Aft NLG
 730/740 Main Landing Gear and Doors


 C.  
Prepare for the Removal of the Tow Fitting


 S 494-012
 WARNING: MAKE SURE THE DOWNLOCKS ARE INSTALLED ON THE NOSE AND MAIN
_______ LANDING GEAR BEFORE YOU MOVE THE CONTROL LEVER FOR THE LANDING GEAR. IF THE CONTROL LEVER IS MOVED WITHOUT THE DOWNLOCKS INSTALLED, THE LANDING GEAR CAN RETRACT AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).

 S 494-003

 (2)  
Make sure the control lever for the landing gear, on the panel P3, is in the OFF position. Attach a DO-NOT-OPERATE tag.


 

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757
MAINTENANCE MANUAL


Tow Fitting Installation for the Nose Landing Gear
Figure 401

 

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757 MAINTENANCE MANUAL
 D. Remove the Tow Fitting
 S 024-004
 (1)  
Remove the tow bolts (1) to disconnect the tow fitting (2) from the shock strut (View A-A).

 S 034-013

 (2)  
If a replacement for the tow pin is necessary, continue as follows:

 (a)  
Remove the bolts (6) and the collars (5) from the tow pin (7).

 (b)  
Remove the tow pin (7) from the tow fitting (2) (View B-B).


 TASK 32-21-13-404-006
 3. Install the Tow Fitting for the Nose Landing Gear (Fig. 401)
 
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